No picture but I have sound.....go to hdmi 1....no picture comes up and says invalid format in blue box...never changed anything. was watching tv...turned off to play x box..went back to tv and this has happened. thanks in advance if u have solution.

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you may need to change the HDMI board in the tv. it will be the hole board the parts are just to small to replace them all to get the HDMI board working again. find a second hand replacement. should be fine with another known working one.

Could have still been hit by a surge. Take the back off of the TV and look at the main board were you connect your HDMI. See if it is scorched or components that blackened. Also check your DVD player on another set. Your DVD player could be the problem.

turn off the ps3. when you turn it back on by the console hold the button down until you hear a beep, keep holding it down until you hear a second beep, this will reset the format back to normal, if you have hdmi or anything else you can change it then from your video settings menu.